linux-kernel - Re: [PATCH 1/2] dt-bindings: media: i2c: Add OV5648 bindings documentation

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Message-ID: <20201030163709.GA3960634@bogus>
Date:   Fri, 30 Oct 2020 11:37:09 -0500
From:   Rob Herring <robh@...nel.org>
To:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Hans Verkuil <hverkuil@...all.nl>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>
Subject: Re: [PATCH 1/2] dt-bindings: media: i2c: Add OV5648 bindings
 documentation

On Fri, Oct 23, 2020 at 07:49:43PM +0200, Paul Kocialkowski wrote:
> This introduces YAML bindings documentation for the OV5648
> image sensor.
> 
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
> ---
>  .../bindings/media/i2c/ovti,ov5648.yaml       | 115 ++++++++++++++++++
>  1 file changed, 115 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/ovti,ov5648.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov5648.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov5648.yaml
> new file mode 100644
> index 000000000000..347af925b450
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov5648.yaml
> @@ -0,0 +1,115 @@
> +# SPDX-License-Identifier: GPL-2.0

Dual license please. With that,

Reviewed-by: Rob Herring <robh@...nel.org>

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/ovti,ov5648.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: OmniVision OV5648 Image Sensor Device Tree Bindings
> +
> +maintainers:
> +  - Paul Kocialkowski <paul.kocialkowski@...tlin.com>
> +
> +properties:
> +  compatible:
> +    const: ovti,ov5648
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: XVCLK Clock
> +
> +  clock-names:
> +    items:
> +      - const: xvclk
> +
> +  dvdd-supply:
> +    description: Digital Domain Power Supply
> +
> +  avdd-supply:
> +    description: Analog Domain Power Supply (internal AVDD is used if missing)
> +
> +  dovdd-supply:
> +    description: I/O Domain Power Supply
> +
> +  powerdown-gpios:
> +    maxItems: 1
> +    description: Power Down Pin GPIO Control (active low)
> +
> +  reset-gpios:
> +    maxItems: 1
> +    description: Reset Pin GPIO Control (active low)
> +
> +  port:
> +    type: object
> +    description: Input port, connect to a MIPI CSI-2 receiver
> +
> +    properties:
> +      endpoint:
> +        type: object
> +
> +        properties:
> +          remote-endpoint: true
> +
> +          bus-type:
> +            const: 4
> +
> +          clock-lanes:
> +            maxItems: 1
> +
> +          data-lanes:
> +            minItems: 1
> +            maxItems: 2
> +
> +        required:
> +          - bus-type
> +          - data-lanes
> +          - remote-endpoint
> +
> +        additionalProperties: false
> +
> +    required:
> +      - endpoint
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - dvdd-supply
> +  - dovdd-supply
> +  - port
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/sun8i-v3s-ccu.h>
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    i2c0 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        ov5648: camera@36 {
> +            compatible = "ovti,ov5648";
> +            reg = <0x36>;
> +
> +            dvdd-supply = <&ov5648_dvdd>;
> +            avdd-supply = <&ov5648_avdd>;
> +            dovdd-supply = <&ov5648_dovdd>;
> +            clocks = <&ov5648_xvclk 0>;
> +            clock-names = "xvclk";
> +
> +            ov5648_out: port {
> +                ov5648_out_mipi_csi2: endpoint {
> +                    bus-type = <4>; /* MIPI CSI-2 D-PHY */
> +                    clock-lanes = <0>;
> +                    data-lanes = <1 2>;
> +
> +                    remote-endpoint = <&mipi_csi2_in_ov5648>;
> +                };
> +            };
> +        };
> +    };
> -- 
> 2.28.0
>